Suppose that you sell CDT short at $23 and at the same time you write a call option on CDT with a strike price of $17 and a premium of $2. What is the combined profit or loss on the two positions together if just prior to expiration of the call option the price of CDT is $20? Assume that you cover your short position (meaning you get rid of the short position) just prior to the time of option expiration. O a. $2 b. $0 oc. ($1) O d. ($2) e. $1